Hi Grant, On Mon, Apr 23, 2018 at 4:47 PM, Grant Likely <grant.likely@xxxxxxx> wrote: > On 21/04/2018 02:28, Rob Herring wrote: >> On Fri, Apr 20, 2018 at 4:00 PM, Frank Rowand <frowand.list@xxxxxxxxx> >> wrote: >>>> + interrupts: >>>> + # Either 1 or 2 interrupts can be present >>>> + minItems: 1 >>>> + maxItems: 2 >>>> + items: >>>> + - description: tx or combined interrupt >>>> + - description: rx interrupt >>>> + >>>> + description: | >>>> + A variable number of interrupts warrants a description of what >>>> conditions >>>> + affect the number of interrupts. Otherwise, descriptions on >>>> standard >>>> + properties are not necessary. >>>> + >>>> + interrupt-names: >>>> + # minItems must be specified here because the default would be 2 >>>> + minItems: 1 >>> >>> Why the difference between the interrupts property and the >>> interrupt-names >>> property (specifying maxItems for interrupt, but not interrupt-names)? >> >> I should probably have maxItems here too. >> >>> Others have already commented on a desire to have a way to specify that >>> number of interrupts should match number of interrupt-names. >> >> Yeah, but I don't see a way to do that. You could stick the array size >> constraints in a common definition and have a $ref to that definition >> from both, but that doesn't really save you too much. > > > There has been discussions in the jsonschema community regarding > referencing data in the document when applying the schema. > > https://github.com/json-schema-org/json-schema-spec/issues/549 > > However, those discussions are ongoing and have been pushed back to > after draft-8 (the current release is draft-7). We can instead define > DT-specific keywords and extend the validator to make it do what we > want. We need to do something very similar to validate that the length > of tuples in 'reg', 'interrupts', and '*gpios' match the '#*-cells' values. Checking that property lengths match the corresponding #*-cells cannot be done for a schema, but only for the final DTS, as #*-cells is a property of the target node, right? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe devicetree-spec" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
